MC74F168 查看數據表（PDF） - Motorola => Freescale

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MC74F168

4-STAGE SYNCHRONOUS BIDIRECTIONAL COUNTERS

Motorola => Freescale 

MC54/74F168 • MC54/74F169

MC54/74F168

PE

P0

CEP

CET

LOGIC DIAGRAMS

P1

P2

P3

T

LD

AT

AF

TC

U/D

CP

UP

DN

CP

J CP K

Q

Q

Q

Q0

MC54/74F169

PE

P0

CEP

CET

LD T

BT

BF

UP

DN

DETAIL A

ENF

CP

Q

DETAIL A

DETAIL A

Q1

P1

Q2

P2

Q3

P3

T

LD

AT

AF

TC

U/D

CP

UP

DN

CP

J

CP K

Q

Q

Q

LD T

BT

BF

UP

DN

DETAIL A

ENF

CP

Q

DETAIL A

DETAIL A

NOTE:

Q0

Q1

Q2

Q3

These diagrams are provided only for the understanding of logic operations and should not be used to estimate propagation delays.

FAST AND LS TTL DATA

4-142

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